<form action="{{ url('root@amenduser') }}" method="post">
    {{ csrf_input }}
    <h2>amend {{ username}}</h2>
    <input type="hidden" value="{{ username }}" name="old-username">
<!--    {{ form.username}}-->
<!--    {{ form.identity_c}}-->
<!--    {{ form.name }}-->
<!--    {{ form.age }}-->
<!--    {{ form.tel }}-->
<!--    {{ form.driving_license_type }}-->
    {{ form.password }}
    <span><input type="submit" class="btn-primary btn btn-sm" value="save"></span>
</form>